Leoisaholocaustsurvivorwhosuffersfromtotalamnesia;hecomestotheU.S.andworksasahoteldeskclerk.Onenightwhileacomedian,whoownsabarinthehotel,giveshimadrink,hebreaksoutinsonganddiscoversagreatvoice.Underapsychiatrist'streatment,andbecauseofablowtotheheadbysomehoodlums,herealizeshisnameisDavidandthathewasthesonofagreatJewishCantor,andgraduallyrecovershismemoryoflosinghisparents.Hegivesupapromisingcareersinginginnightclubstoreturntothesynagogue.